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This is certainly possible, especially given how much of a vacuum can be achieved by a March or Chugger pump. However, in my case, I can actually hear air being sucked through the bag down the side of the kettle. I think this is the route of least resistance, and the air flows between the bag...

I occasionally have these problems as well, usually with an 11 gallon batch, or if there is lots of gummy grain like oatmeal. I am convinced that this forces air to be pulled through the bag voile down below my false bottom and into the pump, causing cavitation. I can literally hear air being...

My typical 5.5 gallon (into fermentor) brew day: 30 minutes to set up. 30 minutes to strike temp (double crush grains while getting to strike temp) using propane fired Blichmann burner. Stir in grains (10 min) and mash for 60 minutes with recirculation. Pull bag and remove to "ZapPap" made...

Exactly my thoughts. If recirculation is too rapid for the grain bed under the bag and "false bottom," that element could rapidly heat to failure. This is part of the reason I'm hesitant to go with recirculating eBIAB. It's too bad there isn't a simple way to install a thermostat to prevent the...

Cut some holes on either side and you have beer skivvies! :D

I saw that video too. They really did a great job describing the merits of the High Gravity system and how simple it is to brew with it. I'm a DIY'er and would probably build it myself, but it does seem to be reasonably complete and a nice electric system to brew on.

Well, I just had to try it, and this doesn't seem to work. I used a 25 mm piezo transducer, vacuum-sealed it and then connected it to a signal generator and frequency analyzer. I could see a strong dip in voltage (and thus increased impedance) at around 4.5 kHz in free air, however, when...

Very cool! I'd love to see how this is working out.

I have done this with a BrewPi and a couple of STC1000+ units controlling individual temps of fermenters. The BrewPi currently controls the chest freezer temp (which is typically kept at serving/lagering temps), and the STC1000+ units control the FermWraps. I have the FermWraps installed inside...

Actually, it's even simpler than this. It would be a simple matter to have a frequency generator that feeds a sine-wave pulse to a piezo driver. If a known resistance is provided, then as the frequency of the sine-wave changes, there will be a impedance peak for the driver in free air, thus...

I've had similar thoughts. This would be akin to an oscillating U-tube densitometer. The principle would be to determine the density of the wort/beer using a piezo transducer immersed in the liquid running a frequency sweep. The impedance would spike at the resonant frequency of the liquid. This...

Yeah, if the word gets out, everyone will be dumping their ball lock Corny kegs on the open market. This will totally drive the value of those Corny kegs down. Cool! I could use some more Corny kegs! :mug:

Just serve the funky beer after serving the good one. Nobody will notice the difference if they've been enjoying enough of the first! :drunk:

Agreed! I have three of these for fermenters and two in wine bottles for monitoring my wine cellar. The Brewer's Hardware thermowells are top notch.

I've read plenty of horror stories about "bottle bombs." Your arguments are clearly not informed by experience. I'm pretty much exclusively kegging, and one thing I miss about bottling is keeping a cellar full of my brewing "history." It's the only redeeming quality I can think of for...

I second this. Keep it simple. I think an 8-9 hour brew day means at least 2 different types of beer, so it sounds like there are other things you need to do to simplify and streamline. I brew 3V RIMS with my brew buddies, but single vessel BIAB when it's just me. On those days when I'm brewing...

Thanks Wilser. I was thinking about trying something similar. For larger batches, I typically use a ladder and pulley setup similar to Alton Brown's Turkey Derrick. I slowly pull the bag up out of the wort after mash completion and let it drip dry while bringing it up to a boil. After the bag is...

Wilser: Are you using water heated to sparge temp or just cold water? I've not really done much sparging with my BIAB brews in my 20g kettle. I've done a few 11g batches in the 1.084 range, but this kind of maxes out for me without any sparging (roughly 35 lb grain bills). I'd like to try...

Thanks! I like the simplicity of the BrewPi client interface, particularly the virtual LCD panel. CellarWarden has rich alarms/notifications features, which was my main focus. While I originally intended this for monitoring my wine cellar, I've also set one up on my combination keezer/ferm...

Thanks FuzzeWuzze: The logging increment (timestamp) as adjustable in the Configure dialog. I have mine set to log about once every two minutes, which provides plenty of resolution for this purpose. I also have this designed to either "compress" or "truncate" the log file. The compress...